2112123033 has 10 divisors (see below), whose sum is σ = 3155146874. Its totient is φ = 1408081968.

The previous prime is 2112123029. The next prime is 2112123043. The reversal of 2112123033 is 3303212112.

It can be written as a sum of positive squares in only one way, i.e., 1236436569 + 875686464 = 35163^2 + 29592^2 .

It is not a de Polignac number, because 2112123033 - 2² = 2112123029 is a prime.

It is a super-2 number, since 2×2112123033² = 8922127413058238178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2112122997 and 2112123015.

It is not an unprimeable number, because it can be changed into a prime (2112123043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13037716 + ... + 13037877.

Almost surely, 2^2112123033 is an apocalyptic number.

It is an amenable number.

2112123033 is a deficient number, since it is larger than the sum of its proper divisors (1043023841).

2112123033 is an equidigital number, since it uses as much as digits as its factorization.

2112123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26075605 (or 26075596 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2112123033 is about 45957.8397338256. The cubic root of 2112123033 is about 1283.0386451870.

Adding to 2112123033 its reverse (3303212112), we get a palindrome (5415335145).

The spelling of 2112123033 in words is "two billion, one hundred twelve million, one hundred twenty-three thousand, thirty-three".